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author | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:32:36 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:32:36 +0100 |
commit | f2633105cd92b793dd6a6f623b4140287d46160a (patch) | |
tree | a227e5de38dd9af6e769a5f3e95559b6a40f085e /arch/x86/mm | |
parent | 48ddb154cf55fb1e292af49c270b950ef2c6ef32 (diff) | |
download | linux-f2633105cd92b793dd6a6f623b4140287d46160a.tar.gz linux-f2633105cd92b793dd6a6f623b4140287d46160a.tar.bz2 linux-f2633105cd92b793dd6a6f623b4140287d46160a.zip |
x86: debug: double-check the empty zero page
temporary debugging - remove before this hits v2.6.25.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/mm')
-rw-r--r-- | arch/x86/mm/init_64.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 6c3f6eb1f790..05f12c527b02 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -497,6 +497,14 @@ void __init mem_init(void) /* clear_bss() already clear the empty_zero_page */ + /* temporary debugging - double check it's true: */ + { + int i; + + for (i = 0; i < 1024; i++) + WARN_ON_ONCE(empty_zero_page[i]); + } + reservedpages = 0; /* this will put all low memory onto the freelists */ |